EP1080768A1 - Einfach zu reinigender Druckfilter - Google Patents
Einfach zu reinigender Druckfilter Download PDFInfo
- Publication number
- EP1080768A1 EP1080768A1 EP00115695A EP00115695A EP1080768A1 EP 1080768 A1 EP1080768 A1 EP 1080768A1 EP 00115695 A EP00115695 A EP 00115695A EP 00115695 A EP00115695 A EP 00115695A EP 1080768 A1 EP1080768 A1 EP 1080768A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- intermediate piece
- filter
- pressure
- flange
- strainer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000000725 suspension Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 239000012065 filter cake Substances 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 238000011001 backwashing Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/80—Handling the filter cake in the filter for purposes other than for regenerating for drying
- B01D29/82—Handling the filter cake in the filter for purposes other than for regenerating for drying by compression
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/28—Position of the filtering element
- B01D2201/287—Filtering elements with a vertical or inclined rotation or symmetry axis
Definitions
- the invention relates to a pressure filter, in particular a pressure filter as it for example in the chemical or pharmaceutical industry for filtration purposes is used.
- the known pressure filters have the disadvantage that they are difficult on site are to be cleaned, in particular a backwashing under pressure is not possible.
- CIP cleaning C leaning I n P lace
- the invention was therefore based on the object, the known pressure filter improve, especially in terms of CIP-compliant cleaning.
- This object is achieved according to the invention by having a pressure filter Upper part with first connection means and with an entrance for one filtering suspension, a separating layer for separating solids from the Suspension and a lower part with second connecting means and with one Output for the filtered suspension, being between the top and the Lower part of an intermediate piece with third connecting means and fourth connecting means is arranged, the intermediate piece over the third and first Lanyards with the top and over the fourth and second Connecting means is connected to the lower part, and wherein between the Lower part and the intermediate piece or in the intermediate piece, the separating layer is arranged.
- the connecting means are preferably designed as flanges. Other common ones However, means such as clamps or claws can also be used.
- Pressure filters according to the invention preferably have a volume of more than 80 to 300 liters up to one or more cubic meters and are suitable for Pressure filtration at 0 to 2, or preferably up to 4, 8, 10, 16 bar absolute pressure.
- a special embodiment is characterized in that the separating layer is a filter plate with a flange ring, which is between the intermediate piece and the lower part is clamped pressure-tight.
- FIG. 1 shows a container (pressure filter) 1 according to the invention with a Upper part 7, a lower part 8 and first and second connecting means are preferably designed as flanges 3a, 3b. Between the top 7 and the lower part 8 is an intermediate piece 12 with third and fourth connecting means, which are preferably designed as a third flange 3c and a fourth flange 3d, arranged. The intermediate piece 12 is over the third and first flange 3d, 3a connected to the upper part and with the fourth and second flange 3d, 3b the lower part 8.
- a permeable bottom 2a Between the lower part 8 and the intermediate piece 12 or between the second and fourth flange 3b, 3d is a permeable bottom 2a, on which a separating layer 2b, for example a filter plate, is placed, arranged or between the second and fourth flange 3b, 3d over a Sealing ring 15 clamped pressure-tight.
- a separating layer 2b for example a filter plate
- the sealing ring 15 obliquely on the side facing the lower part 8 to design so that when cleaning via the lower part 8 (backwash) no air cushions are retained.
- the separating layer 2b preferably one So-called poroplate frit, is on the edge 2c against the intermediate piece 12 and permeable bottom 2a sealed.
- Intermediate piece 12, permeable bottom 2a with Separating layer 2b together form a filter basket 2.
- the Surrounds filter basket 2a In space 16, the Surrounds filter basket 2, a filter cake 13 remains after the filtration.
- a Cleaning liquid or sterilization liquid through the nozzle 10 under Pressure can be let into room 6.
- cleaning can also be done the rooms 16 and 5 (with the upper part 7 attached), because the liquid can be pressed through the separating layer 2b. Because no air cushions form reliable cleaning or sterilization can take place.
- the separating layer 2b has a Flange ring 17 connected and over this between the intermediate piece 12 and Lower part 8 clamped pressure-tight, whereby the usual seals are not are drawn.
- This flange ring can also advantageously on his Bottom be designed obliquely, as in Fig. 3 using a circumferential Projection 18 shown as an example.
- the advantages of the invention are essentially the fact that the pressure filter according to the invention easier to clean and easy to use and meets the requirements of CIP-compliant cleaning.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtration Of Liquid (AREA)
Abstract
Description
Claims (4)
- Druckfilter aufweisend ein Oberteil (7) mit ersten Verbindungsmitteln (3a) und mit einem Eingang (9) für eine zu filtrierende Suspension, eine Trennschicht (2b) zur Abtrennung von Feststoffen aus der Suspension und ein Unterteil (8) mit zweiten Verbindungsmitteln (3b) und mit einem Ausgang (10) für die filtrierte Suspension, wobei zwischen dem Oberteil (7) und dem Unterteil (8) ein Zwischenstück (12) mit dritten Verbindungsmitteln (3c) und vierten Verbindungsmitteln (3d) angeordnet ist, wobei das Zwischenstück (12) über die dritten und ersten Verbindungsmittel (3c, 3a) mit dem Oberteil (7) und über die vierten und zweiten Verbindungsmittel (3d, 3b) mit dem Unterteil (8) verbunden ist, und wobei zwischen dem Unterteil (8) und dem Zwischenstück (12) oder im Zwischenstück (12) die Trennschicht (2b) angeordnet ist.
- Druckfilter nach Anspruch 1, wobei die Trennschicht (2b) eine Filterplatte mit einem Flanschring (17) ist, der zwischen dem Zwischenstück (12) und dem Unterteil (8) druckdicht eingeklemmt ist.
- Druckfilter nach Anspruch 1, wobei die Trennschicht (2b) im Zwischenstück (12) auf einem umlaufenden Vorsprung (18) angeordnet ist.
- Verwendung von Druckfiltern nach einem oder mehreren der Ansprüche 1 bis 3 zur Filtration von Stoffen für pharmazeutische Anwendungen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19941290 | 1999-08-31 | ||
DE19941290A DE19941290A1 (de) | 1999-08-31 | 1999-08-31 | Einfach zu reinigender Druckfilter |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1080768A1 true EP1080768A1 (de) | 2001-03-07 |
Family
ID=7920202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00115695A Withdrawn EP1080768A1 (de) | 1999-08-31 | 2000-07-21 | Einfach zu reinigender Druckfilter |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1080768A1 (de) |
DE (1) | DE19941290A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005035094A1 (en) * | 2003-09-16 | 2005-04-21 | Bp Corporation North America Inc. | A solid-liquid separation process |
US8962906B2 (en) | 2006-03-21 | 2015-02-24 | Bp Corporation North America Inc. | Apparatus and process for the separation of solids and liquids |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1386427A (fr) * | 1963-12-10 | 1965-01-22 | Filtre de laboratoire | |
DE2753864A1 (de) * | 1977-12-02 | 1979-06-13 | Schleicher & Schuell Gmbh | Druckfiltrationsgeraet |
US4379051A (en) * | 1980-04-16 | 1983-04-05 | Inkomag | Filtering apparatus |
DE4117084A1 (de) * | 1991-05-25 | 1992-11-26 | Forschungszentrum Juelich Gmbh | Filtrationsgeraet |
-
1999
- 1999-08-31 DE DE19941290A patent/DE19941290A1/de not_active Withdrawn
-
2000
- 2000-07-21 EP EP00115695A patent/EP1080768A1/de not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1386427A (fr) * | 1963-12-10 | 1965-01-22 | Filtre de laboratoire | |
DE2753864A1 (de) * | 1977-12-02 | 1979-06-13 | Schleicher & Schuell Gmbh | Druckfiltrationsgeraet |
US4379051A (en) * | 1980-04-16 | 1983-04-05 | Inkomag | Filtering apparatus |
DE4117084A1 (de) * | 1991-05-25 | 1992-11-26 | Forschungszentrum Juelich Gmbh | Filtrationsgeraet |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005035094A1 (en) * | 2003-09-16 | 2005-04-21 | Bp Corporation North America Inc. | A solid-liquid separation process |
JP2007505735A (ja) * | 2003-09-16 | 2007-03-15 | ビーピー・コーポレーション・ノース・アメリカ・インコーポレーテッド | 固−液分離方法 |
US8211319B2 (en) | 2003-09-16 | 2012-07-03 | Bp Corporation North America Inc. | Solid-liquid separation process |
US8962906B2 (en) | 2006-03-21 | 2015-02-24 | Bp Corporation North America Inc. | Apparatus and process for the separation of solids and liquids |
Also Published As
Publication number | Publication date |
---|---|
DE19941290A1 (de) | 2001-03-01 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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AK | Designated contracting states |
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17P | Request for examination filed |
Effective date: 20010907 |
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AKX | Designation fees paid |
Free format text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
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17Q | First examination report despatched |
Effective date: 20030620 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
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18W | Application withdrawn |
Effective date: 20030927 |